<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8" />
    <title>DOM操作-练习</title>
    <style type="text/css">
        body {
            font-size: 13px;
            line-height: 25px;
        }

        table {
            border-top: 1px solid #333;
            border-left: 1px solid #333;
            width: 300px;
        }

        td {
            border-right: 1px solid #333;
            border-bottom: 1px solid #333;
        }

        .center {
            text-align: center;
        }
    </style>
    <script>
        //179000541 陈建璋
        function addRow() {
            var txt2 = $("<td>幸福从天而降</td>");
            var txt3 = $("<td>&yen;18.50</td>").attr("align","center");
            var txt = $("<tr></tr>").append(txt2,txt3);
            $("#row1").after(txt)
        }

        function updateRow() {
            $("#row1").attr("style", "font-weight:bold;text-align:center;background-color: #cccccc;");
        }
        function delRow() {
            var dRow = $("tr");
            if(dRow[2]!=null){
                dRow[2].remove() //删除行
            }
        }

        function copyRow() {
            $("#row3").clone(true).appendTo("#myTable");

        }
    </script>
    <script src="js/jquery.min.js"></script>
</head>

<body>
<table border="0" cellspacing="0" cellpadding="0" id="myTable">
    <tr id="row1">
        <td>书名</td>
        <td>价格</td>
    </tr>
    <tr id="row2">
        <td>看得见风景的房间</td>
        <td class="center">&yen;30.00</td>
    </tr>
    <tr id="row3">
        <td>60个瞬间</td>
        <td class="center">&yen;32.00</td>
    </tr>
</table>
<input name="b1" type="button" value="增加一行" onclick="addRow()" />
<input name="b2" type="button" value="删除第2行" onclick="delRow()" />
<input name="b3" type="button" value="修改标题样式" onclick="updateRow()" />
<input name="b4" type="button" value="复制最后一行" onclick="copyRow()" />

</body>

</html>
